Terminated PHASE2 INTERVENTIONAL 3-arm NCT01275248

Efficacy and Safety Study of Low-Dose Ondansetron For Adjunctive Therapy In Adult Patients With Obsessive-Compulsive Disorder

A Multi-Center, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study To Evaluate The Efficacy And Safety Of Low-Dose Ondansetron For Adjunctive Therapy In Adult Patients With Obsessive-Compulsive Disorder Who Have Not Adequately Responded To Treatment With A Serotonin Reuptake Inhibitor

Sponsor: Transcept Pharmaceuticals

Conditions Obsessive-compulsive Disorder

Interventions Ondansetron Placebo

Updated 7 times since 2017 Last updated: Jan 16, 2013 Started: Jan 31, 2011 Primary completion: Sep 30, 2015 Completion: Sep 30, 2015

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

lack of efficacy

Listed as NCT01275248, this PHASE2 trial focuses on Obsessive-compulsive Disorder and remains terminated or withdrawn. Sponsored by Transcept Pharmaceuticals, it has been updated 7 times since 2011, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Terminated PHASE2
Sep 2024 — Sep 2025 [monthly]

Terminated PHASE2
Jul 2024 — Sep 2024 [monthly]

Terminated PHASE2
Jan 2021 — Jul 2024 [monthly]

Terminated PHASE2
Jun 2018 — Jan 2021 [monthly]

Terminated PHASE2

▶ Show 2 earlier versions

Feb 2017 — Jun 2018 [monthly]

Terminated PHASE2
Jan 2017 — Feb 2017 [monthly]

Terminated PHASE2

First recorded

Jan 2011

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Transcept Pharmaceuticals

Data source: Transcept Pharmaceuticals

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Atlanta, United States , Avon Lake, United States , Belmont, United States , Berlin, United States , Beverly Hills, United States , Great Neck, United States , Guadalajara, Mexico , Imperial, United States , León, Mexico , Los Angeles, United States and 18 more locations